Merge branch 'mt/parallel-checkout-part-1'

Preparatory API changes for parallel checkout.

* mt/parallel-checkout-part-1:
  entry: add checkout_entry_ca() taking preloaded conv_attrs
  entry: move conv_attrs lookup up to checkout_entry()
  entry: extract update_ce_after_write() from write_entry()
  entry: make fstat_output() and read_blob_entry() public
  entry: extract a header file for entry.c functions
  convert: add classification for conv_attrs struct
  convert: add get_stream_filter_ca() variant
  convert: add [async_]convert_to_working_tree_ca() variants
  convert: make convert_attrs() and convert structs public

builtin/checkout.c

@@ -26,6 +26,7 @@
 #include "unpack-trees.h"
 #include "wt-status.h"
 #include "xdiff-interface.h"
+#include "entry.h"
 
 static const char * const checkout_usage[] = {
 	N_("git checkout [<options>] <branch>"),